Next: Boolean Operations Prev: Types Up: Types Top: Top
if or
while condition or as operand of the Boolean operations below.
The following values are considered false:
None
0, 0L, 0.0.
'', (), [].
{}.
__nonzero__() or __len__() method, when that
method returns zero.
0 for false and 1 for true, unless otherwise
stated. (Important exception: the Boolean operations `or' and
`and' always return one of their operands.)